Noun: A slugtard. A person who wields the reaction speed of a slug. To disguise their fail, they use retarded excuses.

Adj: Slugtarded. A person who is acting or has acted in the ways of a slugtard.

Noun:
(ie: World of Warcraft. As a part of World of Warcraft; Cataclysm, interupting special boss moves can lead to special achievements or simply not failing a fight. A person who misses a 2 second cast time is a Slugtard.)

Adj:
Man1: Whats up?
Man2: Not much man, how about you?
Man1: I hear you were acting pretty slugtarded last night
Man2: Yea, that ball hit me right in the face. I tried to catch it but you know me... Slugtard central right here.
Man:1: ... Fag